1/2 cup white sugar.
1, 3oz pkg of strawberry jello.
1 yellow cake mix,
1 cup water.
1/4 cup melted butter.
9X13 greased pan.
Rhubarb on bottom of pan.
Sprinkle sugar over rhubarb, then jello, then cake mix.
Pour water and butter over everything.
Do not stir.
Bake 350 degrees 45-50 minutes.